1. consider the following data of 30 exam scores:

28, 57, , 58, 64, 69, 74, 79, 80, 83, 85

85, 87, 87, 89, 89, 90, 92, 93,94, 94

95, 96, 96, 97, 97, 97, 97, 98, 100, 100

a) Construct a table with six classes of the same width. Start with a lower limit of 25.

b) Construct a histogram with six bars, labeling the x and y axis and a title.

c) What is the shape of the distribution?

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